IT202100022826A1 - LED LAMP - Google Patents
LED LAMP Download PDFInfo
- Publication number
- IT202100022826A1 IT202100022826A1 IT102021000022826A IT202100022826A IT202100022826A1 IT 202100022826 A1 IT202100022826 A1 IT 202100022826A1 IT 102021000022826 A IT102021000022826 A IT 102021000022826A IT 202100022826 A IT202100022826 A IT 202100022826A IT 202100022826 A1 IT202100022826 A1 IT 202100022826A1
- Authority
- IT
- Italy
- Prior art keywords
- axis
- led lamp
- lamp according
- leds
- curvature
- Prior art date
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
- F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/18—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Description
DESCRIZIONE DESCRIPTION
del brevetto per invenzione industriale dal titolo: of the patent for industrial invention entitled:
?LAMPADA A LED? ?LED LAMP?
La presente invenzione ? relativa ad una lampada a LED. The present invention ? relating to an LED lamp.
La lampada a LED dell?invenzione ? particolarmente adatta ad essere usata come lampada da tavolo, ma si presta comunque ad altri impieghi. The LED lamp of the invention ? particularly suitable for use as a table lamp, but still lends itself to other uses.
? noto che sorgenti luminose a LED sono sempre pi? diffuse nel settore dell?illuminazione. Tuttavia, l?uso dei LED presenta ancora alcuni inconvenienti, in particolare dovuti alla natura essenzialmente puntiforme dei LED e alle conseguenti difficolt? di ottenere superfici illuminanti omogenee e uniformemente illuminate, ma anche con elevata capacit? (intensit?) di illuminazione. ? known that LED light sources are increasingly? widespread in the lighting sector. However, the use of LEDs still has some drawbacks, in particular due to the essentially point-like nature of LEDs and the consequent difficulties in using them. to obtain homogeneous and uniformly illuminated illuminating surfaces, but also with high capacity? (intensity?) of illumination.
Nel caso delle lampade da tavolo, poi, dove in generale ? preferita un?emissione rotosimmetrica, per ottenere le prestazioni desiderate ? normalmente necessario ricorrere a ottiche dedicate particolarmente complesse. In the case of table lamps, where in general? do you prefer a rotosymmetric emission, to obtain the desired performance? it is normally necessary to resort to particularly complex dedicated optics.
In definitiva, le lampade a LED note, in particolare le lampade da tavolo a LED, sembrano avere ancora margini di miglioramento. Ultimately, known LED lamps, especially LED table lamps, still seem to have room for improvement.
? uno scopo della presente invenzione quello di fornire una lampada a LED che permetta di superare gli inconvenienti qui evidenziati della tecnica nota. ? an object of the present invention is to provide a LED lamp which allows the drawbacks highlighted herein of the prior art to be overcome.
In particolare, ? uno scopo del trovato quello di fornire una lampada a LED che sia di facile realizzazione e abbia elevata omogeneit? e uniformit? di illuminazione ed elevata efficienza e intensit? di illuminazione. In particular, ? an object of the invention is to provide a LED lamp which is easy to manufacture and has high homogeneity? and uniformity? of lighting and high efficiency and intensity? of lighting.
La presente invenzione ? dunque relativa a una lampada a LED come definita nell?annessa rivendicazione 1. The present invention ? therefore relating to an LED lamp as defined in the annexed claim 1.
Ulteriori caratteristiche preferite dell?invenzione sono definite nelle rivendicazioni dipendenti. Further preferred characteristics of the invention are defined in the dependent claims.
Rispetto a lampade della tecnica nota, l?invenzione fornisce una soluzione semplice e funzionale, che combina in particolare una elevata omogeneit? e uniformit? di illuminazione con un?emissione rotosimmetrica, risultando cos? particolarmente adatta all?uso come lampada da tavolo. Compared to lamps of the prior art, the invention provides a simple and functional solution, which combines in particular a high homogeneity and uniformity? of lighting with a rotosymmetric emission, resulting in this way? particularly suitable for use as a table lamp.
Ulteriori caratteristiche e vantaggi della presente invenzione appariranno chiari dalla descrizione che segue di un suo esempio non limitativo di attuazione, con riferimento alle figure dei disegni annessi, in cui: Further characteristics and advantages of the present invention will become clear from the following description of a non-limiting embodiment thereof, with reference to the figures of the accompanying drawings, in which:
? la figura 1 ? una vista prospettica schematica di una lampada a LED, in particolare una lampada da tavolo, in accordo all?invenzione; ? figure 1 ? a schematic perspective view of an LED lamp, in particular a table lamp, according to the invention;
? la figura 2 ? una vista prospettica, con parti rimosse per chiarezza, di un componente della lampada di figura 1, in particolare una testa illuminante; ? figure 2 ? a perspective view, with parts removed for clarity, of a component of the lamp of figure 1, in particular a lighting head;
? la figura 3 ? una vista in sezione trasversale della testa illuminante della lampada di figura 1. ? figure 3 ? a cross-sectional view of the illuminating head of the lamp of figure 1.
Con riferimento alla figura 1, una lampada 1 a LED, in particolare una lampada da tavolo, comprende una struttura di supporto 2 e una testa 3 illuminante, supportata dalla struttura di supporto 2. With reference to figure 1, a LED lamp 1, in particular a table lamp, comprises a support structure 2 and an illuminating head 3, supported by the support structure 2.
La struttura di supporto 2, solo schematicamente mostrata in figura 1, pu? assumere diverse forme anche a seconda della destinazione della lampada 1. The support structure 2, only schematically shown in figure 1, can take different forms also depending on the destination of the lamp 1.
La testa 3 si estende attorno a un asse A centrale, definente un asse di simmetria centrale della testa 3. The head 3 extends around a central axis A, defining a central axis of symmetry of the head 3.
Con riferimento anche alle figure 2 e 3, la testa 3 comprende: un corpo 4 conformato ad anello attorno all?asse A e provvisto di una sede 5 interna sostanzialmente anulare; una pluralit? di LED 6 disposti spaziati uno dall?altro lungo la sede 5 e attorno all?asse A e portati da una scheda 7 a circuito stampato disposta nella sede 5 e avente una faccia 8, sulla quale sono collocati i LED 6, perpendicolare all?asse A; e una lente 10 disposta davanti ai LED 6 a chiusura della sede 5. With reference also to figures 2 and 3, the head 3 comprises: a body 4 shaped like a ring around the axis A and provided with a substantially annular internal seat 5; a plurality? of LEDs 6 arranged spaced apart along the seat 5 and around the axis A and carried by a printed circuit board 7 arranged in the seat 5 and having a face 8, on which the LEDs 6 are positioned, perpendicular to the axis TO; and a lens 10 arranged in front of the LEDs 6 to close the seat 5.
La testa 3 ha una forma sostanzialmente toroidale attorno all?asse A e sezione trasversale, su un piano radiale passante per l?asse A, sostanzialmente circolare. The head 3 has a substantially toroidal shape around the axis A and a substantially circular cross section on a radial plane passing through the axis A.
Il corpo 4, per esempio realizzato in alluminio, si estende attorno all?asse A e ha forma in sezione trasversale sostanzialmente ad arco di cerchio. Resta inteso che il corpo 4, come la testa 3 nel suo assieme, possono avere altre forme, avendo comunque una simmetria di rotazione centrale rispetto all?asse A. The body 4, for example made of aluminum, extends around the axis A and has a cross-sectional shape substantially in the shape of an arc of a circle. It is understood that the body 4, like the head 3 as a whole, can have other shapes, having in any case a central rotation symmetry with respect to the axis A.
La sede 5 presenta una parete di fondo 11, sostanzialmente perpendicolare all?asse A, e una coppia di fianchi 12 laterali opposti, che si protendono dalla parete di fondo 11 paralleli all?asse A. The seat 5 has a bottom wall 11, substantially perpendicular to the axis A, and a pair of opposite lateral sides 12, which protrude from the bottom wall 11 parallel to the axis A.
Preferibilmente, i fianchi 12 presentano rispettivi incavi 13 affacciati che ricevono la lente 10. Preferably, the sides 12 have respective facing recesses 13 which receive the lens 10.
Preferibilmente, i LED 6 e la relativa scheda 7 costituiscono una singola striscia LED 16 curva ad anello circolare attorno all?asse A, formata da un nastro flessibile che porta una successione di LED 6 collegati dalla scheda 7. Preferably, the LEDs 6 and the related card 7 form a single curved LED strip 16 in a circular ring around the axis A, formed by a flexible ribbon carrying a succession of LEDs 6 connected by the card 7.
La scheda 7 con i LED 6 ? collocata nella sede 5 tra i fianchi 12. I LED 6 sono disposti sulla faccia 8 della scheda 7 rivolta verso la lente 10 e i LED 6 sono orientati assialmente paralleli rispetto all?asse A estendendosi dalla scheda 7 lungo rispettivi assi B paralleli tra loro e all?asse A. Board 7 with LEDs 6 ? located in the seat 5 between the sides 12. The LEDs 6 are arranged on the face 8 of the board 7 facing the lens 10 and the LEDs 6 are oriented axially parallel to the axis A extending from the board 7 along respective axes B parallel to each other and to the ?axis A.
La lente 10 ? unita al corpo 4 in modo da chiudere la sede 5. Lens 10? joined to the body 4 so as to close the seat 5.
La lente 10 ? costituita da un pezzo 20 monolitico realizzato in un materiale trasparente, per esempio un materiale polimerico, in particolare PMMA. Lens 10? consisting of a monolithic piece 20 made of a transparent material, for example a polymeric material, in particular PMMA.
La lente 10 si estende attorno all?asse A e presenta una superficie di ingresso 21 anulare concava, affacciata ai LED 6, e una superficie di uscita 22 anulare convessa, sostanzialmente allineate parallelamente all?asse A ed estendentisi attorno all?asse A. The lens 10 extends around the axis A and has a concave annular input surface 21, facing the LEDs 6, and a convex annular output surface 22, substantially aligned parallel to the axis A and extending around the axis A.
La lente 10, e specificamente la superficie di ingresso 21 e la superficie di uscita 22, sono conformate in modo da generare un?emissione luminosa rotosimmetrica attorno all?asse A. The lens 10, and specifically the input surface 21 and the output surface 22, are shaped so as to generate a rotosymmetrical light emission around the axis A.
In particolare, la lente 10 ? geometricamente ottenuta dalla rotazione attorno all?asse A di una sezione trasversale, definita su un piano radiale passante per l?asse A, in cui la superficie di ingresso 21 e la superficie di uscita 22 hanno la forma di rispettivi archi di cerchio aventi rispettivi raggi di curvatura R1, R2 differenti. In particular, the lens 10 ? geometrically obtained by the rotation around the axis A of a cross section, defined on a radial plane passing through the axis A, in which the input surface 21 and the output surface 22 have the shape of respective arcs of circle having respective radii of curvature R1, R2 different.
La superficie di ingresso 21 ha raggio di curvatura R1 maggiore del raggio di curvatura R2 della superficie di uscita 22. The entrance surface 21 has a radius of curvature R1 greater than the radius of curvature R2 of the exit surface 22.
Preferibilmente, il rapporto tra il raggio di curvatura R1 della superficie di ingresso 21 e il raggio di curvatura R2 della superficie di uscita 22 ? almeno 3:1. Preferably, the ratio between the radius of curvature R1 of the input surface 21 and the radius of curvature R2 of the output surface 22 ? at least 3:1.
In particolare, la superficie di ingresso 21 ha raggio di curvatura R1 compreso tra 15 e 35 mm e preferibilmente tra 20 e 30 mm; e la superficie di uscita 22 ha raggio di curvatura R2 compreso tra 5 e 15 mm, preferibilmente tra 5 e 10 mm. In particular, the inlet surface 21 has a radius of curvature R1 comprised between 15 and 35 mm and preferably between 20 and 30 mm; and the outlet surface 22 has a radius of curvature R2 comprised between 5 and 15 mm, preferably between 5 and 10 mm.
Nell?esempio illustrato, la superficie di ingresso 21 ha raggio di curvatura R1 di 25 mm; e la superficie di uscita 22 ha raggio di curvatura R2 di 7,52 mm. In the illustrated example, the inlet surface 21 has a radius of curvature R1 of 25 mm; and the outlet surface 22 has a radius of curvature R2 of 7.52 mm.
Il pezzo 20 comprende inoltre una coppia di pareti laterali 23 affacciate una all?altra e che si protendono dalla superficie di ingresso 21 nella sede 5. The piece 20 also comprises a pair of side walls 23 facing each other and which protrude from the inlet surface 21 in the seat 5.
In particolare, le pareti laterali 23 sono cilindriche attorno all?asse A e impegnano rispettivi incavi 13. In particular, the side walls 23 are cylindrical around the axis A and engage respective recesses 13.
I LED 6 sono collocati tra le pareti laterali 23 e sono spaziati dalla superficie di ingresso 21 e dalle pareti laterali 23. The LEDs 6 are placed between the side walls 23 and are spaced from the input surface 21 and the side walls 23.
Le pareti laterali 23 hanno rispettive superfici 24 interne, affacciate una all?altra e rivolte verso i LED 6, ricoperte di uno strato di copertura 25 bianco opaco, in modo da incrementare l?efficienza. The side walls 23 have respective internal surfaces 24, facing each other and directed towards the LEDs 6, covered with an opaque white covering layer 25, so as to increase efficiency.
Resta infine inteso che alla lampada a LED qui descritta ed illustrata possono essere apportate modifiche e varianti che non escono dall?ambito delle annesse rivendicazioni. Finally, it is understood that modifications and variations may be made to the LED lamp described and illustrated herein which do not depart from the scope of the appended claims.
Claims (10)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102021000022826A IT202100022826A1 (en) | 2021-09-03 | 2021-09-03 | LED LAMP |
| EP22193171.0A EP4145040A1 (en) | 2021-09-03 | 2022-08-31 | Led lamp |
| US17/900,668 US11873966B2 (en) | 2021-09-03 | 2022-08-31 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102021000022826A IT202100022826A1 (en) | 2021-09-03 | 2021-09-03 | LED LAMP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT202100022826A1 true IT202100022826A1 (en) | 2023-03-03 |
Family
ID=78649855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT102021000022826A IT202100022826A1 (en) | 2021-09-03 | 2021-09-03 | LED LAMP |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11873966B2 (en) |
| EP (1) | EP4145040A1 (en) |
| IT (1) | IT202100022826A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010006076U1 (en) * | 2010-04-26 | 2010-07-01 | Liu, Hang-Wan, Sanxia | LED light tube |
| US20110140589A1 (en) * | 2009-12-15 | 2011-06-16 | Futur-Tec (Hong Kong) Limited | Led lamp configured to project a substantially homegenous light pattern |
| US20130176734A1 (en) * | 2010-07-12 | 2013-07-11 | Simon Fussell | Light head |
| CN208886462U (en) * | 2018-09-18 | 2019-05-21 | 广州启上设计有限公司 | A kind of desk lamp improving the hot spot uniformity |
| EP3708906A1 (en) * | 2017-12-26 | 2020-09-16 | Opple Lighting Co., Ltd. | Annular light distribution element, light source module, light source component and lighting lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7273300B2 (en) * | 2004-08-06 | 2007-09-25 | Lumination Llc | Curvilinear LED light source |
| USD698075S1 (en) * | 2012-12-19 | 2014-01-21 | Sylwester Klus | Housing for LED based lighting apparatus |
| US9277685B2 (en) * | 2013-12-19 | 2016-03-01 | GE Lighting Solutions, LLC | Systems and methods for simulating neon lighting using light emitting diodes |
| US10859248B2 (en) * | 2016-10-26 | 2020-12-08 | Opple Lighting Co., Ltd. | Light source module and lighting device |
| CN214751261U (en) * | 2021-05-28 | 2021-11-16 | 深圳玮渤科技有限公司 | Assemble annular light filling lamp |
-
2021
- 2021-09-03 IT IT102021000022826A patent/IT202100022826A1/en unknown
-
2022
- 2022-08-31 EP EP22193171.0A patent/EP4145040A1/en active Pending
- 2022-08-31 US US17/900,668 patent/US11873966B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110140589A1 (en) * | 2009-12-15 | 2011-06-16 | Futur-Tec (Hong Kong) Limited | Led lamp configured to project a substantially homegenous light pattern |
| DE202010006076U1 (en) * | 2010-04-26 | 2010-07-01 | Liu, Hang-Wan, Sanxia | LED light tube |
| US20130176734A1 (en) * | 2010-07-12 | 2013-07-11 | Simon Fussell | Light head |
| EP3708906A1 (en) * | 2017-12-26 | 2020-09-16 | Opple Lighting Co., Ltd. | Annular light distribution element, light source module, light source component and lighting lamp |
| CN208886462U (en) * | 2018-09-18 | 2019-05-21 | 广州启上设计有限公司 | A kind of desk lamp improving the hot spot uniformity |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230072430A1 (en) | 2023-03-09 |
| US11873966B2 (en) | 2024-01-16 |
| EP4145040A1 (en) | 2023-03-08 |
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